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  <title>Controlling Jet</title>
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<h1>
<font face="Arial Alternative"><font color="#3333ff">Controlling Your
Jet</font></font></h1>
The operation of Jet is controlled through a <i>parameter file</i>, as
well as through the <a href="console.html">Jet console</a>.&nbsp; This
file specifies the file names for the various linguistic resources
(lexicon,
patterns, etc.) as well as the sequence of tools to be applied to the
text.
The name of the parameter file is given as an argument when Jet is
invoked;&nbsp; if no argument is specified, you will be prompted for
the parameter file (if the program is connected to a terminal).
<p>The parameter file consists of lines with the format
</p>
<blockquote>parameter = value</blockquote>
The equal sign may be preceded or followed by whitespace
characters.&nbsp;
If a value is very long, it may be continued on the next line by
placing
a backslash ("\") at the end of the line.&nbsp; Comments -- lines
beginning
with a "#" -- may be included.
<br>
&nbsp;
<center>
<table border="3" cellspacing="3" cellpadding="8" bgcolor="#ccffff">
  <tbody>
    <tr>
      <td>EnglishLex.fileName*</td>
      <td>file(s) containing English lexicons (relative to Jet.dataPath)</td>
    </tr>
    <tr>
      <td>Pattern.fileName*</td>
      <td>file(s) containing patterns (relative to Jet.dataPath)</td>
    </tr>
    <tr>
      <td>Grammar.fileName</td>
      <td>file containing grammar (relative to Jet.dataPath)</td>
    </tr>
    <tr>
      <td style="vertical-align: top;">Gazetteer.fileName<br>
      </td>
      <td style="vertical-align: top;">file containing gazetteer
(relative to Jet.dataPath) ... file of location names (countries,
states, etc.) used by reference resolution and for ACE<br>
      </td>
    </tr>
    <tr>
      <td>Concepts.fileName</td>
      <td>file containing concept hierarchy (relative to Jet.dataPath)</td>
    </tr>
    <tr>
      <td>WriteSGML.type</td>
      <td>annotation type to be included when document is written in
SGML format</td>
    </tr>
    <tr>
      <td>JetTest.fileName*</td>
      <td>file(s) containing documents to be processed (relative to
Jet.dataPath)</td>
    </tr>
    <tr>
      <td>Jet.dataPath</td>
      <td>directory containing data files</td>
    </tr>
    <tr>
      <td><a href="scripts.html">processDocument</a></td>
      <td>sequence of actions to be performed on document</td>
    </tr>
    <tr>
      <td><a href="scripts.html">processTextZone</a></td>
      <td>sequence of actions to be performed on text zone</td>
    </tr>
    <tr>
      <td><a href="scripts.html">processSentence</a></td>
      <td>sequence of actions to be performed on each sentence</td>
    </tr>
    <tr>
      <td>Jet.batch</td>
      <td>if assigned any value, run in batch mode:&nbsp; process
documents given
by JetTest.fileName, <br>
do not display console, and send all console messages to standard output</td>
    </tr>
  </tbody>
</table>
</center>
<p>An * indicates that multiple values of the parameter may be given,
each
beginning with the parameter name;&nbsp; all the specified files will
be
read.&nbsp; For example,
</p>
<blockquote><tt>EnglishLex.fileName1 = bigDict.txt</tt> <br>
  <tt>EnglishLex.fileName2 = smallDict.txt</tt></blockquote>
will cause both <tt>bigDict.txt</tt> and <tt>smallDict.txt</tt> to be
loaded
and used.
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